The Awesomer is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more.

Colossal K’Nex Roller Coaster

Builder knexpert06 shows off an incredible creation made using K’Nex construction toys. The 141 foot-long roller coaster has dual tracks so two coasters can race side by side. It took nearly 500 hours to build, but a full lap of the coaster takes just under a minute.